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x3 – 8 =A) (x – 2) (x – 2) ( x – 2) B) (x – 2) (x2 + 2x + 8) C) (x – 2) (x2 + 2x + 4) D) (x – 2) (x2 – 2x – 4)

Answer»

Correct option is (C) (x – 2) (x2 + 2x + 4)

\(x^3-8=x^3-2^3\) \(=(x-2)\,(x^2+2x+2^2)\)

\(=(x-2)\,(x^2+2x+4)\)

C) (x – 2) (x2 + 2x + 4) 



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